github-ui: use new GitHub UI on Windows

Use a refreshed WPF-based UI on Windows for GitHub authentication.
Supports selecting OAuth/browser authentication and also displays the
URL of a GitHub Enterprise instance if authentication to one.

Author: mjcheetham

Git-Credential-Manager.sln

@@ -0,0 +1,26 @@
+NOTICES AND INFORMATION
+Do Not Translate or Localize
+
+This repository for Git Credential Manager Core includes material from the
+projects listed below.
+
+1. GitHub/VisualStudio (https://github.com/github/VisualStudio)
+
+Copyright (c) GitHub Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

NOTICE

@@ -5,6 +5,7 @@
     <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
     <TargetFrameworks Condition="'$(OSPlatform)'=='windows'">net461;netcoreapp2.1</TargetFrameworks>
     <RuntimeIdentifiers>win-x64;osx-x64</RuntimeIdentifiers>
+    <PlatformTarget>x64</PlatformTarget>
     <AssemblyName>git-credential-manager-core</AssemblyName>
     <RootNamespace>Microsoft.Git.CredentialManager</RootNamespace>
     <ApplicationIcon>$(RepoAssetsPath)gcmicon.ico</ApplicationIcon>
@@ -19,4 +20,8 @@
     <ProjectReference Include="..\Microsoft.Git.CredentialManager\Microsoft.Git.CredentialManager.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Content Include="NOTICE" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+
 </Project>

src/shared/Git-Credential-Manager/Git-Credential-Manager.csproj

@@ -0,0 +1,38 @@
+NOTICES AND INFORMATION
+Do Not Translate or Localize
+
+This software incorporates material from third parties. Microsoft makes certain
+open source code available at https://3rdpartysource.microsoft.com, or you may
+send a check or money order for US $5.00, including the product name, the open
+source component name, and version number, to:
+
+Source Code Compliance Team
+Microsoft Corporation
+One Microsoft Way
+Redmond, WA 98052
+USA
+
+Notwithstanding any other terms, you may reverse engineer this software to the
+extent required to debug changes to any libraries licensed under the GNU Lesser
+General Public License.
+
+1. GitHub/VisualStudio (https://github.com/github/VisualStudio)
+
+Copyright (c) GitHub Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

src/shared/Git-Credential-Manager/NOTICE

@@ -82,6 +82,7 @@ public async Task<AuthenticationPromptResult> GetAuthenticationAsync(Uri targetU
                 var promptArgs = new StringBuilder("prompt");
                 if ((modes & AuthenticationModes.Basic) != 0) promptArgs.Append(" --basic");
                 if ((modes & AuthenticationModes.OAuth) != 0) promptArgs.Append(" --oauth");
+                if (!GitHubHostProvider.IsGitHubDotCom(targetUri)) promptArgs.AppendFormat(" --enterprise-url {0}", targetUri.ToString());
 
                 IDictionary<string, string> resultDict = await InvokeHelperAsync(helperPath, promptArgs.ToString(), null);
 

src/shared/GitHub/GitHubAuthentication.cs

@@ -9,7 +9,7 @@ public static class GitHubConstants
         public const string GitHubBaseUrlHost = "github.com";
         public const string GistBaseUrlHost = "gist." + GitHubBaseUrlHost;
 
-        public const string AuthHelperName = "GitHub.Authentication.Helper";
+        public const string AuthHelperName = "GitHub.UI";
 
         /// <summary>
         /// The GitHub required HTTP accepts header value